81723938

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{4027}}^1$

素因数の和:4241

約数の個数: 16

約数和(自身を含む): 125190240

約数和(自身を除く): 43466302

約数列:

[1, 2, 73, 139, 146, 278, 4027, 8054, 10147, 20294, 293971, 559753, 587942, 1119506, 40861969, 81723938]

約数ペア:

[(1, 81723938), (2, 40861969), (73, 1119506), (139, 587942), (146, 559753), (278, 293971), (4027, 20294), (8054, 10147)]